Ionia County, MI

ZIP 48845

In ZIP 48845, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pewamo meets every EPA legal limit; 1 contaminant is above health goals, led by pfoa at 429× California’s Public Health Goal.
• Nearest Superfund site: American Anodco, Inc., 6.3 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Morbark LLC (54%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 654,966 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48845

• Superfund sites nearbyA to D
• Factories and industrial sitesA
• Oil and gas wellsA to C
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityA to C
• Pesticide useF
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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